Johnson, Nelson <br/><br/>
AutoCAD: The complete reference  [Books]. 
Nelson Johnson. 
 - 2nd ed. 
 - Berkeley, California  Osborne McGraw-Hill  1991 
 - Pages: 896 
<br/><br/><label>ISBN: </label>0078817137  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>AutoCAD (Computer file).
<br/><br/><label>Dewey Class. No.: </label>T/385  / JOH